Home / 14,777.12-20,392.43-9,471.95

Finding the Fourth Proportional to 14,777.12, 20,392.43 and 9,471.95

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Solution

The fourth proportional to 14,777.12, 20,392.43 and 9,471.95 is: 13,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.12 : 20,392.43 = 9,471.95 : x
  2. Step 2: Convert to fraction form
    14,777.12/20,392.43 = 9,471.95/x
  3. Step 3: Cross multiply
    14,777.12x = 20,392.43 × 9,471.95
  4. Step 4: Simplify right side
    14,777.12x = 193,156,073.12
  5. Step 5: Solve for x
    x = 193,156,073.12/14,777.12
  6. Step 6: Final answer
    x = 13,071.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.